usually cleanest bathing is in a shower followed by playing in a hot
tub; see sanitation at:
and lots more at bottom links at:
You do NOT want a hot tub if you actually want to bathe in it .
Taking a shower first and then soaking is fine, but too much debris
(soap, skin oils, etc) will really put a load on filters and sanitizing
Check your local codes. Your tub water may be considered gray water,
and disposal as surface water might be permitted.
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